Respiratory mask



FIG. 1 is a left perspective view of a respiratory mask in a detachedconfiguration;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is an enlarged left perspective view of an elbow portion of therespiratory mask, as illustrated in FIG. 1;

FIG. 9 is an enlarged right perspective view of an elbow portion of therespiratory mask, as illustrated in FIG. 2;

FIG. 10 is an enlarged front elevational view of an elbow portion of therespiratory mask, as illustrated in FIG. 3;

FIG. 11 is an enlarged rear elevational view of an elbow portion of therespiratory mask, as illustrated in FIG. 4;

FIG. 12 is an enlarged top plan view of an elbow portion of therespiratory mask, as illustrated in FIG. 5;

FIG. 13 is an enlarged right side elevational view of an elbow portionof the respiratory mask, as illustrated in FIG. 6;

FIG. 14 is an enlarged left side elevational view of an elbow portion ofthe respiratory mask, as illustrated in FIG. 7;

FIG. 15 is a left perspective view of the respiratory mask in anassembled configuration;

FIG. 16 is a right perspective view thereof;

FIG. 17 is an enlarged left front perspective view of an elbow portionof a respiratory mask, as illustrated in FIG. 15; and,

FIG. 18 is an enlarged right front perspective view of an elbow portionof a respiratory mask, as illustrated in FIG. 16.

The broken lines shown are included for the purposes of illustrating theunclaimed portions of the article and form no part of the claimeddesign.

CLAIM The ornamental design for respiratory mask, as shown anddescribed.